Instrument strap



FIG. 1 is a perspective view of the instrument strap shown in an environment of use;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines depicting the human form and guitar in FIG. 1 show an environment in which an article embodying the design may be used and form no part of the claimed design. The broken lines on the surface of the instrument strap represent stitching and form no part of the claimed design. 

I claim the ornamental design for an instrument strap, as shown and described. 